111101313221100 has 54 divisors (see below), whose sum is σ = 348240893999180. Its totient is φ = 29627016858720.

The previous prime is 111101313221083. The next prime is 111101313221149. The reversal of 111101313221100 is 1122313101111.

111101313221100 is a `hidden beast` number, since 1 + 1 + 110 + 131 + 322 + 1 + 100 = 666.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is an unprimeable number.

It is a polite number, since it can be written in 17 ways as a sum of consecutive naturals, for example, 61722950890 + ... + 61722952689.

Almost surely, 2^{111101313221100} is an apocalyptic number.

111101313221100 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

111101313221100 is an abundant number, since it is smaller than the sum of its proper divisors (237139580778080).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

111101313221100 is a wasteful number, since it uses less digits than its factorization.

111101313221100 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123445903599 (or 123445903589 counting only the distinct ones).

The product of its (nonzero) digits is 36, while the sum is 18.

Adding to 111101313221100 its reverse (1122313101111), we get a palindrome (112223626322211).

The spelling of 111101313221100 in words is "one hundred eleven trillion, one hundred one billion, three hundred thirteen million, two hundred twenty-one thousand, one hundred".